GW-GSM-02A
Factory setting and turning the GW off
To restore the setting from the factory or to switch the GW off, the following procedure should be applied:
Factory settings
•
At Time = 0
The user is pressing and holding the button.
•
At Time = 1 to 2 s
All LEDs are on.
•
At Time = 2 to 3 s
All LEDs are off.
•
At Time = 3 s to 10 s
All LEDs flashing 100 ms on, 100 ms .
•
At Time = 10 s
All LEDs are off, the GW factory setting is restored and the GW is reset.
Turning off
•
If the button was released at time 0 s to 1 s, this procedure is canceled and the GW returns to run mode.
•
If the button was released at time 1 s to 10 s, the GW is turned off.
Firmware upgrade
Once the
Upload
button is pressed the bootloader is started. This is indicated by turning all LEDs on and off for 1s.
Then the content of the FLASH is erased and consequently new firmware is written. This is indicated by 20 Hz
synchronous flashing of all LEDs. After the new firmware has been written, all LEDs are turned off and the GW is
reset.
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User_Guide_GW-GSM-02A_170814
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0s
Button
press
Status
IQRF
Error
1s
2s 3s
10s
Factory settings
and GW reset
Upload
button
pressed
GW reset
Status
IQRF
Error
FLASH erasing and
FW writing
